Finding the Fourth Proportional to 895,805.63, 1,236,211.83 and 493,397.63
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Solution
The fourth proportional to 895,805.63, 1,236,211.83 and 493,397.63 is: 680,888.76
Step by Step Solution
- Step 1: Write the proportion equation
895,805.63 : 1,236,211.83 = 493,397.63 : x - Step 2: Convert to fraction form
895,805.63/1,236,211.83 = 493,397.63/x - Step 3: Cross multiply
895,805.63x = 1,236,211.83 × 493,397.63 - Step 4: Simplify right side
895,805.63x = 609,943,980,918.90 - Step 5: Solve for x
x = 609,943,980,918.90/895,805.63 - Step 6: Final answer
x = 680,888.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.